ERYNGIUM leavenworthii

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ERYNGIUM leavenworthii

Leavenworth Eryngo, False Purple Thistle
[Purple Sheen]
Select Item No. EA159

Available

One Portion is usually sufficient for approx. 50 plants.
Please switch to gram for larger quantities.



Plant Description

Life Cycle: Annual
Family: Apiaceae
Origin: South Central USA
Special Features: An annual species with exotic blue-purple blooms with red-purple bracts and blue-grey foliage. Terrific cut flower. Plant with other drought resistant prairie plants. Appreciates the support of other adjacent plants.
 
Basic Colour: (blue)
Flower Colour: blue-purple
Natural Flowering Period: July - September
Flowering: First year flowering
 
Winter Hardiness Zones: Z4 - Z8
Foliage: blue-grey
Growth Habit: erect
Height with Flowers: 60 cm
Spacing between Plants: 60 cm
Soil Requirements: dry / well-drained / average
Location:
Usage: suitable for cutting
Grams per 1000 seeds: 1.49254 Gram
Seeds per Gram
(does not correspond to the number of plants!):
670
Gram to get 1000 plants
(if sown directly into pots etc. you will need a larger quantity):
5 Gram
Sowing Rates/Trays: 2 - 3 per cell
Plug tray recommended size(s): deep open flats / 72
Sowing Direction:

(9) These seeds germinate rapidly depending on species and origin. If germination does not occur after 3–4 weeks a cooling period of 2–4 weeks is recommended.

Best Sowing Date
(northern Hemisphere, Field condition):
late autumn - early spring
Sowing Time Hint: May require a 2nd moist/cold stratification. Be patient.
Sowing to Germination: 8 - 10 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Potting: 6 - 8 weeks
Cutting back at Transplanting: Not Necessary.
Container Size(s): 1 plug per 8/9 cm (3 1/2") / 1-2 plugs per 11/12 cm (4 1/2")
Vernalization: No vernalization required for flowering in the first year.
Forcing: Provide 16 hours of continuous lighting. During the short days of winter, provide a night interruption lighting of 4 hours between 10:00 p.m. and 2:00 a.m. 6-8 weeks to flower.
Fertilizer: Medium (150-200 ppm)
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